Provide option for query method to return typed values

[JimDaly]

Currently only returns JSON, but could apply the same logic as RetrieveTyped entity to call the constructor on the returned values.
Concerns: Performance impact and whether people want this.

[JimDaly]

Added new queryTypedEntity function that will return typed values and recursively get expanded collection-valued navigation property values when the retrieveExpandedCollections parameter is true